Remove unused Element param from MatchedPropertiesCache::isCacheable

Review URL: https://codereview.chromium.org/1315303010

git-svn-id: svn://svn.chromium.org/blink/trunk@201775 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/css/resolver/MatchedPropertiesCache.cpp

@@ -143,7 +143,7 @@ void MatchedPropertiesCache::sweep(Timer<MatchedPropertiesCache>*)
 }
 #endif
 
-bool MatchedPropertiesCache::isCacheable(const Element* element, const ComputedStyle& style, const ComputedStyle& parentStyle)
+bool MatchedPropertiesCache::isCacheable(const ComputedStyle& style, const ComputedStyle& parentStyle)
 {
     if (style.unique() || (style.styleType() != NOPSEUDO && parentStyle.unique()))
         return false;

third_party/WebKit/Source/core/css/resolver/MatchedPropertiesCache.h

@@ -101,7 +101,7 @@ public:
     void clear();
     void clearViewportDependent();
 
-    static bool isCacheable(const Element*, const ComputedStyle&, const ComputedStyle& parentStyle);
+    static bool isCacheable(const ComputedStyle&, const ComputedStyle& parentStyle);
 
     DECLARE_TRACE();
 

third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp

@@ -1342,7 +1342,7 @@ void StyleResolver::applyMatchedProperties(StyleResolverState& state, const Matc
     bool applyInheritedOnly = false;
     const CachedMatchedProperties* cachedMatchedProperties = cacheHash ? m_matchedPropertiesCache.find(cacheHash, state, matchResult.matchedProperties()) : 0;
 
-    if (cachedMatchedProperties && MatchedPropertiesCache::isCacheable(element, *state.style(), *state.parentStyle())) {
+    if (cachedMatchedProperties && MatchedPropertiesCache::isCacheable(*state.style(), *state.parentStyle())) {
         INCREMENT_STYLE_STATS_COUNTER(*this, matchedPropertyCacheHit, 1);
         // We can build up the style by copying non-inherited properties from an earlier style object built using the same exact
         // style declarations. We then only need to apply the inherited properties, if any, as their values can depend on the
@@ -1422,7 +1422,7 @@ void StyleResolver::applyMatchedProperties(StyleResolverState& state, const Matc
 
     loadPendingResources(state);
 
-    if (!cachedMatchedProperties && cacheHash && MatchedPropertiesCache::isCacheable(element, *state.style(), *state.parentStyle())) {
+    if (!cachedMatchedProperties && cacheHash && MatchedPropertiesCache::isCacheable(*state.style(), *state.parentStyle())) {
         INCREMENT_STYLE_STATS_COUNTER(*this, matchedPropertyCacheAdded, 1);
         m_matchedPropertiesCache.add(*state.style(), *state.parentStyle(), cacheHash, matchResult.matchedProperties());
     }